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Foundation-engineering Questions Set 15:

Quiz Mode

In hydraulic structures, sheet piles are commonly used as ________.

Bearing stratum

Boulders

Composite piles

Bulkheads

Solution:

What is the critical depth of a vertical cut in a saturated cohesive soil with c = 1.5 t/m² and γ = 16 t/m²?

0.375 m

0.75 m

2.0 m

2.75 m

Solution:

Which type of piles are used to anchor down a structure that is subjected to uplift forces?

Anchor piles

Batter Piles

Sheet Piles

Tension Piles

Solution:

Westergaard's theory is more suitable for which type of soil?

Homogeneous soil

Isotropic soil

Layered soil

Normally consolidated homogeneous soil

Solution:

The cutting edge of a sampling tube has an outer diameter of 75 mm and a wall thickness of 1.7 mm. The area ratio of the sampling tube is:

9.72%

8.9%

4.7%

7.2%

Solution:

What is the recommended size of the square bearing plate used in the plate loading test to determine the bearing capacity of soils?

Less than 300 mm

Between 300 mm and 750 mm

Between 750 mm and 1 m

Greater than 1 m

Solution:

The cohesion (c), angle of internal friction (Φ) and unit weight (γ) of a soil are 15 kPa, 20^o and 17.5 kN/m³, respectively. The maximum depth of unsupported excavation in the soil (in m, round off to 2 decimal places) is ______.

Solution:

A 1m thick layer of saturated clay, drained at both faces, settles by 15cm in 2 years. If a thin layer of previous soil is introduced in the middle of this layer, what will be the period during which the settlement of 15cm will be completed?

0.25 years

0.5 years

2 years

4 years

Solution:

Which of the following is the correct area ratio for an undisturbed soil sample?

Ratio of maximum cross-sectional area of sampling tube to area of soil sample

Ratio of maximum cross-sectional area of cutting edge to area of soil sample

Ratio of area of soil sample to maximum cross-sectional area of sampling tube

Ratio of area of soil sample to maximum cross-sectional area of cutting edge

Solution:

A retaining wall of height H with smooth vertical back-face supports a back-fill inclined at an angle β with the horizontal. The backfill consists of cohesionless soil having an angle of internal friction φ. If the active lateral thrust acting on the wall is Pa, which one of the following statements is true?

Pa acts at a height H/3 from the base of the wall and at an angle φ with the horizontal.

Pa acts at a height H/2 from the base of the wall and at an angle φ with the horizontal.

Pa acts at a height H/3 from the base of the wall and at an angle β with the horizontal.

Pa acts at a height H/2 from the base of the wall and at an angle β with the horizontal.

Foundation-engineering Questions Set 15:

In hydraulic structures, sheet piles are commonly used as ________.

Solution:

What is the critical depth of a vertical cut in a saturated cohesive soil with c = 1.5 t/m² and γ = 16 t/m²?

Solution:

Which type of piles are used to anchor down a structure that is subjected to uplift forces?

Solution:

Westergaard's theory is more suitable for which type of soil?

Solution:

The cutting edge of a sampling tube has an outer diameter of 75 mm and a wall thickness of 1.7 mm. The area ratio of the sampling tube is:

Solution:

What is the recommended size of the square bearing plate used in the plate loading test to determine the bearing capacity of soils?

Solution:

The cohesion (c), angle of internal friction (Φ) and unit weight (γ) of a soil are 15 kPa, 20^o and 17.5 kN/m³, respectively. The maximum depth of unsupported excavation in the soil (in m, round off to 2 decimal places) is ______.

Solution:

A 1m thick layer of saturated clay, drained at both faces, settles by 15cm in 2 years. If a thin layer of previous soil is introduced in the middle of this layer, what will be the period during which the settlement of 15cm will be completed?

Solution:

Which of the following is the correct area ratio for an undisturbed soil sample?

Solution:

Solution:

Related Question Sets:

Related Topics:

Foundation-engineering Questions Set 15:

In hydraulic structures, sheet piles are commonly used as ________.

Solution:

What is the critical depth of a vertical cut in a saturated cohesive soil with c = 1.5 t/m2 and γ = 16 t/m2?

Solution:

Which type of piles are used to anchor down a structure that is subjected to uplift forces?

Solution:

Westergaard's theory is more suitable for which type of soil?

Solution:

The cutting edge of a sampling tube has an outer diameter of 75 mm and a wall thickness of 1.7 mm. The area ratio of the sampling tube is:

Solution:

What is the recommended size of the square bearing plate used in the plate loading test to determine the bearing capacity of soils?

Solution:

The cohesion (c), angle of internal friction (Φ) and unit weight (γ) of a soil are 15 kPa, 20o and 17.5 kN/m3, respectively. The maximum depth of unsupported excavation in the soil (in m, round off to 2 decimal places) is ______.

Solution:

A 1m thick layer of saturated clay, drained at both faces, settles by 15cm in 2 years. If a thin layer of previous soil is introduced in the middle of this layer, what will be the period during which the settlement of 15cm will be completed?

Solution:

Which of the following is the correct area ratio for an undisturbed soil sample?

Solution:

Solution:

Related Question Sets:

Related Topics:

What is the critical depth of a vertical cut in a saturated cohesive soil with c = 1.5 t/m² and γ = 16 t/m²?

The cohesion (c), angle of internal friction (Φ) and unit weight (γ) of a soil are 15 kPa, 20^o and 17.5 kN/m³, respectively. The maximum depth of unsupported excavation in the soil (in m, round off to 2 decimal places) is ______.